Month: February 2011

On digital negs and histograms

UPDATE! We have made a new system called PiezoDN. Check it out at:¬†https://piezography.com/piezodn/about-piezodn/   <Older Content> Since posting the Digital Negatives blog, I have been asked by a number of people to explain why compressing a 265 gray value image into a smaller range of gray values will produce a high quality negative and subsequently a high quality print. Most tell me that everything that they have read has been to never throw away gray values. I would agree with them when imaging, or printing Piezography prints, or when making conventional inkjet prints. The gray value requirements of a...

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